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Heat Transfer Blocks Diagram: A Novel Tool for Targeting and Design of Heat Exchanger Networks Inside Heat Integrated Water Allocation Networks
ACS Sustainable Chemistry & Engineering ( IF 7.1 ) Pub Date : 2018-01-12 00:00:00 , DOI: 10.1021/acssuschemeng.7b04315 Xiaodong Hong 1 , Zuwei Liao 1 , Jingyuan Sun 1 , Binbo Jiang 2 , Jingdai Wang 1 , Yongrong Yang 1
ACS Sustainable Chemistry & Engineering ( IF 7.1 ) Pub Date : 2018-01-12 00:00:00 , DOI: 10.1021/acssuschemeng.7b04315 Xiaodong Hong 1 , Zuwei Liao 1 , Jingyuan Sun 1 , Binbo Jiang 2 , Jingdai Wang 1 , Yongrong Yang 1
Affiliation
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Sustainability is essential for process industries, as energy and resources are getting scarcer and scarcer. For the past decade, heat integrated water allocation networks (HIWANs) have drawn more and more attention, owing to the efficient utilization of water and energy. In this article, a systematic procedure for the synthesis of heat exchanger networks (HENs) in HIWANs has been proposed. A graphical tool, named heat transfer blocks diagram, is developed to improve the conceptual understanding for the implications of HEN structures in HIWANs. The minimum hot/cold utility consumption can be obtained by analyzing heat surpluses and heat deficits between cold stream and hot stream heat transfer blocks, while heat transfer matching blocks are introduced to deal with the heat exchange matches. Not only simplex series or parallel structures but also hybrid structures can be obtained via this graphical tool. Besides, a heuristic of step by step maximizing the heat load of heat exchangers is presented to guide the heat transfer matching blocks to the lower investment cost direction. Cost-effective HENs have been identified by the proposed systematic procedures. Two examples are illustrated to demonstrate the operability and availability of the systematic procedures.
中文翻译：
传热方框图：一种用于热集成水分配网络内部的目标和设计换热器网络的新型工具
由于能源和资源越来越稀缺，可持续性对于加工行业至关重要。在过去的十年中，由于对水和能源的有效利用，热集成水分配网络（HIWAN）受到越来越多的关注。在本文中，提出了在HIWAN中合成热交换器网络（HENs）的系统程序。开发了一种名为传热框图的图形工具，以提高对HIWAN中HEN结构的含义的概念理解。可以通过分析冷流和热流传热块之间的余热和热量不足来获得最小的热/冷公用事业消耗，同时引入传热匹配块来处理热交换匹配。通过此图形工具，不仅可以得到单工系列或并行结构，而且还可以得到混合结构。此外，提出了逐步最大化热交换器热负荷的试探法，以将传热匹配块引导至较低的投资成本方向。提议的系统程序已确定了具有成本效益的HEN。说明了两个示例，以演示系统过程的可操作性和可用性。
更新日期：2018-01-12
中文翻译：
传热方框图：一种用于热集成水分配网络内部的目标和设计换热器网络的新型工具
由于能源和资源越来越稀缺，可持续性对于加工行业至关重要。在过去的十年中，由于对水和能源的有效利用，热集成水分配网络（HIWAN）受到越来越多的关注。在本文中，提出了在HIWAN中合成热交换器网络（HENs）的系统程序。开发了一种名为传热框图的图形工具，以提高对HIWAN中HEN结构的含义的概念理解。可以通过分析冷流和热流传热块之间的余热和热量不足来获得最小的热/冷公用事业消耗，同时引入传热匹配块来处理热交换匹配。通过此图形工具，不仅可以得到单工系列或并行结构，而且还可以得到混合结构。此外，提出了逐步最大化热交换器热负荷的试探法，以将传热匹配块引导至较低的投资成本方向。提议的系统程序已确定了具有成本效益的HEN。说明了两个示例，以演示系统过程的可操作性和可用性。
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